qseecom: Add new IOCTL for QSEECom_send_modified_resp_64() function

Add new IOCTL for QSEECom_send_modified_resp_64() function, which is
used to populate ION request buffer with SG list's 64bit phy addr
and sent to secure-UI listener service.

Change-Id: Id45d70315a868748a8bf2e2ba8bddefc75295331
Signed-off-by: Zhen Kong <zkong@codeaurora.org>